Computronics Systems - L3 Network Security Engineer

L3 Network Security Engineer Position Overview : We are seeking an experienced L3 Network Security Engineer to lead and manage complex network security infrastructure, including firewall solutions, NAC, and enterprise-wide network operations. Experience & Qualifications : - Minimum 8 years of hands-on experience in managing WAN network, Bachelor's/Master's degree (Engineering graduates preferred) Required Certifications :(any one ) - CCNP/JNCIP, SDWAN certification or equivalent. - Product certifications in PA/Checkpoint/Cisco ASA/Fortinet. - Cisco ISE certification (CCNP Security or equivalent) preferred Technical Skills & Platforms : Network Infrastructure Expert knowledge in : - Cisco ISE. - SD-WAN infrastructure. - Cisco & Juniper Core routers and Switches. - Cisco ACI. - Traditional routing and switching protocols. - Proficiency in managing PA/Checkpoint/Cisco ASA/Fortinet solutions - Network Access Control (NAC) infrastructure. - Identity management systems (Azure AD, on-premises AD) Key Responsibilities : - Network Security Management. - Configure, test, and maintain LAN & WAN for campus, core network & branch network. - Manage and maintain enterprise firewall infrastructure. - Implement and maintain network security policies, standards, and procedures. Lead security infrastructure projects through full lifecycle including : - Requirements gathering. - Planning. - Design & implementation. - Network performance monitoring. - Equipment upgrades. - Network optimization Advanced Technical Operations. - SDWAN Infrastructure Management and troubleshooting. - Handle critical escalations and provide technical leadership. Create and maintain : - High-Level Design (HLD) - Low-Level Design (LLD) - Implementation plans. - Network architecture documentation Operational Excellence. - Review and execute major changes. - Troubleshoot critical/major network incidents. - Manage and optimize system performance. - Create and maintain SOPs for troubleshooting and problem resolution. - Coordinate with OEM TAC for advanced support Team Leadership. - Provide technical guidance to L1 & L2 teams. - Handle escalated cases from junior teams. - Mentor and train team members. - Coordinate with cross-functional teams. (ref:hirist.tech)

Location: mumbai, IN

Posted Date: 2/5/2025